CAS 345951-38-4 appears in our catalog under these names: 3-(5-Methyl-1,3-dioxooctahydro-2h-isoindol-2-yl)benzoic acid, 95%, 3-(5-Methyl-1,3-dioxohexahydro-1H-isoindol-2(3H)-yl)benzoic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.